Improvement in watch-cases



A A. WOOD.

Watch-Case Spring.

Patented Dec. 6, 1870.

not ttffite.

ALFRED A. W001), or CHARLOTTE, MICHIGAN.

Letters Patent No. 109,989, dated December 6, 1870.

IMPROVEMENT IN WATCH-CASES.

The Schedule referred to in these Letters Patent and making part of the same.

To allwhom it may concern;

Be it known that I, ALFRED A. \VOOD, of Churlotte, in the county of Eaton and State of Michigan, have invented anew and valuable Improvement in \Vatch-Ouses; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawing making a part of this specification and to the letters and figures of reference marked thereon. I Figure 1 of the drawing is aplnn riew'ot' a watchcase with a portion of the rim broken away, showing my invention.

- t Figure 2 is a central vertical section, showing the position of the parts when the case is open. Figure 3 is a similar View, showing, the parts with the case closed.

Figure 4 is a viewot the inside of the watch, show;

in the parts in elevation.

My invention relates to means for preventing the wear of the inner edge of the lid of a watch-case; 'and It consists in the construction and novel arrangement of a stud and spring, designed to confine the catch-spring in a retracted position until released by the pressnreot' the faceot' the lip of the lid on the stud in closing the case.

The letter a of the drawing designates the usual catch-spring placed in the rim of a watcl1-oasc, and

extending through a slot in the same'to secure the lid. p b represents'a vertically-noting spring, also secured to the riin'ot' the watch, inside the same, andprovided "depressing the stay-spring b and releasing the catchspring, which flies forward at once, securing the lid.

Claim.

'Witncsses':

J. W. Museum's, [X- J- 

